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docs: Clarify unprivileged sgio feature

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Update the descriptions for disk and hostdev sgio in order to indicate
not all hypervisors and OS's support this feature

Signed-off-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
John Ferlan 2015-07-06 09:22:27 -04:00
parent 955d9bb8d0
commit 4f4ac3913a
1 changed files with 10 additions and 9 deletions
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docs/formatdomain.html.in
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@ -2002,10 +2002,10 @@
<dt><code>sgio</code> attribute
<span class="since">since 1.0.2</span></dt>
<dd>
Indicates whether the kernel will filter unprivileged
SG_IO commands for the disk, valid settings are "filtered" or
"unfiltered". Defaults to "filtered". Similar to <code>rawio</code>,
<code>sgio</code> is only valid for device 'lun'.
If supported by the hypervisor and OS, indicates whether
unprivileged SG_IO commands are filtered for the disk. Valid
settings are "filtered" or "unfiltered" where the default is
"filtered". Only available when the <code>device</code> is 'lun'.
</dd>
<dt><code>snapshot</code> attribute
<span class="since">since 0.9.5</span></dt>
@ -3232,11 +3232,12 @@
</dd>
<dt>scsi</dt>
<dd>For SCSI devices, user is responsible to make sure the device
is not used by host. The optional <code>sgio</code>
(<span class="since">since 1.0.6</span>) attribute indicates
whether the kernel will filter unprivileged SG_IO commands for
the disk, valid settings are "filtered" or "unfiltered".
The default is "filtered". The optional <code>rawio</code>
is not used by host. If supported by the hypervisor and OS, the
optional <code>sgio</code> (<span class="since">since 1.0.6</span>)
attribute indicates whether unprivileged SG_IO commands are
filtered for the disk. Valid settings are "filtered" or
"unfiltered", where the default is "filtered".
The optional <code>rawio</code>
(<span class="since">since 1.2.9</span>) attribute indicates
whether the lun needs the rawio capability. Valid settings are
"yes" or "no". See the rawio description within the